Table 1.

Important amyloid fibrils for nephrologists

Amyloid protein	Precursor protein	Clinical syndrome
AA	Serum amyloid A protein	Secondary, reactive, associated with chronic inflammatory diseases
AL	Monoclonal Ig light chains	Primary, associated with monoclonal plasma cell dyscrasias
AH	Monoclonal Ig light chains	Primary, associated with monoclonal plasma cell dyscrasias
Aβ2M	β2-microglobulin	Associated with dialysis
AFib	Fibrinogen α-chain	Familial autosomal dominant systemic amyloidosis
ACys	Cystatin C	Hereditary cerebral hemorrhage with cerebral and systemic amyloidosis
ALys	Lysozyme	Familial autosomal dominant systemic amyloidosis
AApoAI	Apolipoprotein AI	Familial
AApoAII	Apolipoprotein AII	Familial
ATTR	Transthyretin	Familial
AGel	Gelsolin	Familial